Answer
Berengar I was a Frankish nobleman who was king of Italy from 888 to 924. His reign was distinguished by the numerous claimants to his throne, including his brother Adalbert II of Italy, his brother-in-law Guido of Spoleto, and his cousin Arnulf of Carinthia. Berengar was able to maintain his position as king despite the challenges from his rivals, but his reign was ultimately marked by instability and conflict.